D4 Polyacrylite Helmet W/MIPS Shadow Olive Size:S we revamped the body styling

we revamped the body styling lines and shapes to give you our best fitting

A 3 layer soft-shell fabric

our new GP Helmet features a technologically advanced polyacrylate shell construction

Replacement sweat glide accessory liner for the Troy Lee Designs A3 helmet

the D4 Composite routes cooling air through a front air intake system that flows through the polymer center and power grid side mesh keeping your head cooler during the ride

D4 Polyacrylite Helmet W/MIPS Shadow Olive Size:S we revamped the body stylingThe reigning king of full face helmets, the D4 range expands with a Polyacrylite model packing the same safety and comfort features as the premium carbon and composite models into a price conscious shell. Details make the D4 the most coveted full face in mountain biking, including Mips C2 brain protection, an air intake system for ventilation, and an unmatched anatomical fit.